$\"\"$

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The function is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Take logarithm on each side.

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$\"\"$

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Interchange $\"\"$ and $\"\"$ .

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$\"\"$

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Therefore , the inverse function is $\"\"$ .

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$\"\"$

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The inverse function is $\"\"$ .